/* SHAH Relance - Style mobile-first */
:root {
  --bg: #0a0a0a;
  --surface: #161616;
  --surface-2: #1f1f1f;
  --border: #2a2a2a;
  --text: #f5f5f5;
  --text-dim: #8a8a8a;
  --accent: #c9a35d;     /* doré SHAH */
  --accent-dim: #8a7142;
  --danger: #e85a4f;
  --warn: #f4a73a;
  --ok: #4caf50;
  --info: #5b8cff;
  --radius: 10px;
  --tabbar-h: 60px;
  --topbar-h: 54px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.4;
  -webkit-tap-highlight-color: transparent;
}
button { font-family: inherit; }

.view { display: none; min-height: 100vh; }
.view.active { display: block; }

/* === LOGIN === */
#view-login {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
#view-login.active { display: flex; }
.login-box {
  width: 100%; max-width: 360px;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 30px 24px;
  border: 1px solid var(--border);
  text-align: center;
}
.login-box .logo { width: 80px; height: 80px; border-radius: 12px; margin-bottom: 12px; }
.login-box h1 { font-size: 22px; margin: 0 0 4px; }
.subtitle { color: var(--text-dim); margin: 0 0 24px; font-size: 14px; }
.login-box form { display: flex; flex-direction: column; gap: 12px; }
.login-box input {
  padding: 12px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 15px;
}
.login-box input:focus { outline: none; border-color: var(--accent); }
.error { color: var(--danger); font-size: 13px; min-height: 18px; margin: 4px 0 0; }

/* === TOPBAR === */
.topbar {
  position: sticky; top: 0; z-index: 50;
  height: var(--topbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 14px;
  padding-top: env(safe-area-inset-top);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.brand img { width: 28px; height: 28px; border-radius: 6px; }
.btn-icon {
  background: transparent; border: 0; color: var(--text-dim);
  font-size: 20px; cursor: pointer; padding: 8px;
}

/* === MAIN === */
main {
  padding: 16px;
  padding-bottom: calc(var(--tabbar-h) + 20px);
  min-height: calc(100vh - var(--topbar-h));
}

/* === TABBAR === */
.tabbar {
  position: fixed; bottom: 0; left: 0; right: 0;
  height: calc(var(--tabbar-h) + env(safe-area-inset-bottom));
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex;
  padding-bottom: env(safe-area-inset-bottom);
  z-index: 50;
}
.tab {
  flex: 1; background: transparent; border: 0; color: var(--text-dim);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px; font-size: 11px; cursor: pointer;
}
.tab .ic { font-size: 20px; }
.tab.active { color: var(--accent); }

/* === COMPOSANTS === */
.btn {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  font-weight: 500;
}
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); color: #000; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-dim); border-color: var(--accent-dim); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-block { width: 100%; padding: 12px; }
.btn-sm { padding: 6px 10px; font-size: 12px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 12px;
}
.card h2, .card h3 { margin: 0 0 12px; }

.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
}
.stat .label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; }
.stat .val { font-size: 20px; font-weight: 700; color: var(--accent); margin-top: 4px; }
.stat.danger .val { color: var(--danger); }
.stat.warn .val { color: var(--warn); }
.stat.ok .val { color: var(--ok); }

.list { display: flex; flex-direction: column; gap: 8px; }
.list-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px;
}
.list-item:hover { border-color: var(--accent); }
.list-item .meta { font-size: 12px; color: var(--text-dim); }
.list-item .right { text-align: right; }
.list-item h4 { margin: 0 0 4px; font-size: 14px; }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 12px;
  font-size: 11px; font-weight: 600; text-transform: uppercase;
}
.badge-retard { background: rgba(232, 90, 79, 0.15); color: var(--danger); }
.badge-paye { background: rgba(76, 175, 80, 0.15); color: var(--ok); }
.badge-a_venir { background: rgba(91, 140, 255, 0.15); color: var(--info); }
.badge-partiel { background: rgba(244, 167, 58, 0.15); color: var(--warn); }
.badge-annule { background: rgba(138, 138, 138, 0.15); color: var(--text-dim); }

input[type=text], input[type=tel], input[type=email], input[type=password],
input[type=number], input[type=date], textarea, select {
  width: 100%;
  padding: 10px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); }
textarea { min-height: 100px; resize: vertical; }
label { display: block; font-size: 13px; color: var(--text-dim); margin: 10px 0 4px; }

.search-bar { margin-bottom: 12px; }

.filters {
  display: flex; gap: 6px; overflow-x: auto; padding-bottom: 8px;
  margin-bottom: 10px; scrollbar-width: none;
}
.filters::-webkit-scrollbar { display: none; }
.filter-pill {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 12px;
  white-space: nowrap;
  cursor: pointer;
}
.filter-pill.active { background: var(--accent); color: #000; border-color: var(--accent); }

/* === MODAL === */
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7);
  display: flex; align-items: flex-end; justify-content: center;
  z-index: 100;
}
.modal.hidden { display: none; }
.modal-content {
  width: 100%; max-width: 560px;
  max-height: 90vh; overflow-y: auto;
  background: var(--surface);
  border-radius: 16px 16px 0 0;
  padding: 20px;
  border-top: 1px solid var(--border);
}
.modal h2 { margin: 0 0 16px; display: flex; align-items: center; justify-content: space-between; }
.modal .close { background: transparent; border: 0; color: var(--text-dim); font-size: 24px; cursor: pointer; }
.modal-actions { display: flex; gap: 8px; margin-top: 16px; }
.modal-actions .btn { flex: 1; }

/* === TOAST === */
.toast {
  position: fixed; bottom: calc(var(--tabbar-h) + 20px); left: 50%;
  transform: translateX(-50%);
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 18px;
  border-radius: 24px;
  font-size: 13px;
  z-index: 200;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}
.toast.hidden { display: none; }
.toast.success { border-color: var(--ok); color: var(--ok); }
.toast.error { border-color: var(--danger); color: var(--danger); }

/* === Détails client === */
.client-header {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dim) 100%);
  color: #000; padding: 16px; border-radius: var(--radius); margin-bottom: 14px;
}
.client-header h2 { margin: 0 0 4px; color: #000; }
.client-header .meta { font-size: 13px; opacity: 0.8; }

.contact-row { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.contact-row .btn-sm { flex: 1; min-width: 100px; text-align: center; }

.section-title {
  font-size: 13px; color: var(--text-dim); text-transform: uppercase;
  letter-spacing: 0.5px; margin: 20px 0 8px;
}

/* Loader */
.loader { text-align: center; padding: 30px; color: var(--text-dim); }

.empty { text-align: center; padding: 40px 20px; color: var(--text-dim); }
.empty .ic { font-size: 48px; margin-bottom: 10px; }

@media (min-width: 768px) {
  main { max-width: 720px; margin: 0 auto; }
  .stat-grid { grid-template-columns: repeat(4, 1fr); }
}